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Copper Alloy Valve Seats Installed (Newen Valve Seat CNC Machined)
and drag applications
These dressup washer kits suit any of our ignition timing kits for any vehicle
the injector bores are 14mm ID so factory injectors
Radium Rotary Engine Injector Seat (Single) - Mazda RX-7 FD/Cosmo JC (13B/20B) EJ Copper Alloy Valve Seats InstalledRadium Rotary Engine Injector Seat (Single) Mazda RX 7 FD3S Cosmo JC (13B 20B) Suits: Mazda RX 7 FD3S 13B REW Mazda Eunos Cosmo JC 13B RE Mazda Eunos Cosmo JC 20B REW The Radium Engineering Rotary Engine Injector Seat is the same machined aluminium seat used in Radium fuel rails for Mazda and Eunos Cosmo and RX 7 rotary engines. It converts the OEM 16mm injector seat counterbore to the more common 14mm lower O ring specification used by popular
